It showed up on an email from Creedmoor Shooting Sports. Anschutz NA also has it.
https://www.creedmoorsports.com/product/4796/Air-Rifle
https://www.anschutznorthamerica.com/st ... _blue.html
For the prone shooters, this appears to make seeing the wind flags easier as well as making an elevation change easier.
It would be interesting to see the internal design that takes a horizontal screw to shift the tube elevation.